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Finding the Fourth Proportional to 45,703.79, 68,527.99 and 29,889.73

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Solution

The fourth proportional to 45,703.79, 68,527.99 and 29,889.73 is: 44,816.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,703.79 : 68,527.99 = 29,889.73 : x
  2. Step 2: Convert to fraction form
    45,703.79/68,527.99 = 29,889.73/x
  3. Step 3: Cross multiply
    45,703.79x = 68,527.99 × 29,889.73
  4. Step 4: Simplify right side
    45,703.79x = 2,048,283,118.54
  5. Step 5: Solve for x
    x = 2,048,283,118.54/45,703.79
  6. Step 6: Final answer
    x = 44,816.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.